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Finding the Fourth Proportional to 85,117.80, 127,749.60 and 37,805.70

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Solution

The fourth proportional to 85,117.80, 127,749.60 and 37,805.70 is: 56,740.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,117.80 : 127,749.60 = 37,805.70 : x
  2. Step 2: Convert to fraction form
    85,117.80/127,749.60 = 37,805.70/x
  3. Step 3: Cross multiply
    85,117.80x = 127,749.60 × 37,805.70
  4. Step 4: Simplify right side
    85,117.80x = 4,829,663,052.72
  5. Step 5: Solve for x
    x = 4,829,663,052.72/85,117.80
  6. Step 6: Final answer
    x = 56,740.93

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